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If d is the HCF of a and b, then d = lam...

If d is the HCF of a and b, then `d = lambda a + mu b` where :

A

`lambda` and `mu` are uniquely determined

B

`lambda` and `mu` are both positive .

C

`lambda` and `mu` are both negative

D

one of the `lambda` and `mu` is negative and the other is positive

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The correct Answer is:
A
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